A1.2 al function block – Yokogawa EJA115 User Manual

Page 41

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IM 01C22T02-01E

A-3

APPENDIX 1. LIST OF PARAMETERS FOR EACH BLOCK OF THE EJA

46

1046

0

DEVICE_STATUS_2

Device status (failure or setting error etc.)

Device status (function block setting.)

47

1047

0

DEVICE_STATUS_3

48

1048

0

DEVICE_STATUS_4

Not used for EJA.

Not used for EJA.

Not used for EJA.

Not used for EJA.

Not used for EJA.

49

1049

0

DEVICE_STATUS_5

50

1050

0

DEVICE_STATUS_6

51

1051

0

DEVICE_STATUS_7

52

1052

0

DEVICE_STATUS_8

TA0101-3EPS

Relative

Index

Index

Explanation

Write

Mode

Factory

Default

Parameter Name

A1.2 Al Function Block

Relative

Index

Index

AI1

Explanation

Write Mode

Factory Default

Parameter Name

0

4000

Index

AI2

4100

TAG: “AI1” or

“AI2”

Block Header

TA0102-1.EPS

Information on this block such as Block Tag, DD
Revision, Execution Time etc.

Block Tag
= O/S

1

4001

4101

ST_REV

The revision level of the static data associated with
the function block. The revision value will be
incremented each time a static parameter value in
the block is changed.

2

4002

4102

(blank)

TAG_DESC

The user description of the intended application of
the block.

AUTO

3

4003

4103

1

STRATEGY

The strategy field can be used to identify grouping
of blocks. This data is not checked or processed by
the block.

AUTO

4

4004

4104

1

ALERT_KEY

The identification number of the plant unit. This
information may be used in the host for sorting
alarms, etc.

AUTO

5

4005

4105

AUTO

MODE_BLK

The actual, target, permitted, and normal modes of
the block.

AUTO

6

4006

4106

BLOCK_ERR

This parameter reflects the error status associated
with the hardware or software components
associated with a block. It is a bit string, so that
multiple errors may be shown.

7

4007

4107

PV

Either the primary analog value for use in executing
the function, or a process value associated with it.
May also be calculated from the READBACK value
of an AO block.

9

4009

4109

Disable

SIMULATE

Allows the transducer analog input or output to the
block to be manually supplied when simulate is
enabled. When simulation is disabled, the simulate
value and status track the actual value and status.

AUTO

10

4010

4110

Specified at the
time of order

XD_SCALE

The high and low scale values, engineering units
code, and number of digits to the right of the
decimal point used with the value obtained from the
transducer for a specified channel. Refer to Table
5.15 for the unit available.

O/S

11

4011

4111

Specified at the
time of order

OUT_SCALE

The high and low scale values, engineering units
code, and number of digits to the right of the
decimal point to be used in displaying the OUT
parameter and parameters which have the same
scaling as OUT.

O/S

8

4008

4108

OUT

The primary analog value calculated as a result of
executing the function.

Value =
MAN

12

4012

4112

0

GRANT_DENY

Options for controlling access of host computers
and local control panels to operating, tuning and
alarm parameters of the block.

AUTO

13

4013

4113

0

IO_OPTS

Options which the user may select to alter input and
output block processing

O/S

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